CAS 683-18-1 appears in our catalog under these names: Dibutyltin dichloride 10 µg/mL in Cyclohexane, Dibutyltin-dichloride, Di-n-butyltin dichloride 1000 µg/mL in Methanol, Dibutyltin dichloride/ 98% (SVHC listed - EVE/EUD), Dibutyltin Dichloride, >97.0%(T). Offered by: Dr. Ehrenstorfer, Chemat, TCI, Thermo Scientific (Acros), Sigma-Aldrich. Available pack sizes: 10ml, 250mg, 1ml, 250g, 25g, 100g, 500g, 50G.